CVE-2018-0127
CriticalExploitedA vulnerability in the web interface of Cisco RV132W ADSL2+ Wireless-N VPN Routers and Cisco RV134W VDSL2 Wireless-AC VPN Routers could allow an unauthenticated, remote attacker to view configuration parameters for an affected device, which could lead to the disclosure of…
Published Feb 8, 2018 · Updated Dec 2, 2024
Key Facts
Patch immediately- CVE-2018-0127 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Rv132w Firmware (Cisco), Rv134w Firmware (Cisco), Cisco RV132W and RV134W Wireless VPN Routers.
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 14, 2023. No public exploit code is known.
- EPSS estimates a 77% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
77%
Higher than 99.5% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
None known
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Description
A vulnerability in the web interface of Cisco RV132W ADSL2+ Wireless-N VPN Routers and Cisco RV134W VDSL2 Wireless-AC VPN Routers could allow an unauthenticated, remote attacker to view configuration parameters for an affected device, which could lead to the disclosure of confidential information. The vulnerability is due to the absence of user authentication requirements for certain pages that are part of the web interface and contain confidential information for an affected device. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device and examining the HTTP response to the request. A successful exploit could allow the attacker to view configuration parameters, including the administrator password, for the affected device. Cisco Bug IDs: CSCvg92739, CSCvh60172.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Nov 15, 2023 | n/a | Not reported |
| CIRCL KEV | Oct 14, 2023 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
5 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Rv132w FirmwareCisco | 1.0.0.1, 1.0.1.8 | n/a |
| Rv134w FirmwareCisco | 1.0.0.1, 1.0.1.8 | n/a |
| Cisco RV132W and RV134W Wireless VPN Routers | >= Cisco RV132W and RV134W Wireless VPN Routers | n/a |
Timeline
Publicly disclosed
Feb 8, 2018
Added to CIRCL KEV
Oct 14, 2023
Added to Industry KEV feed
Nov 15, 2023
Last updated
Dec 2, 2024
Weakness Type
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
- CWE-306 Missing Authentication for Critical Function
References
- advisoryhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180207-rv13x_2
- advisory102969
- advisory1040345
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
A vulnerability in the web interface of Cisco RV132W ADSL2+ Wireless-N VPN Routers and Cisco RV134W VDSL2 Wireless-AC VPN Routers could allow an unauthenticated, remote attacker to view configuration parameters for an affected device, which could lead to the disclosure of confidential information.
Affected: Rv132w Firmware (Cisco) versions 1.0.0.1, 1.0.1.8; Rv134w Firmware (Cisco) versions 1.0.0.1, 1.0.1.8; Cisco RV132W and RV134W Wireless VPN Routers versions >= Cisco RV132W and RV134W Wireless VPN Routers. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 14, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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